For shorter runs

Double-Throw) internal switch allows for terminal wiring that can either break the circuit on temperature rise (heating) or make the circuit on temperature rise (cooling/ventilation)

pressure relief valves must be installed with the spindle in the vertical position to ensure proper mechanical operation and drainage of the discharge line

Common Questions: What capacitor does the HC41GE231 motor require

Can this unit be used for both refrigeration and heating

Lochinvar & A.O. Smith 100093769 Board R-134A For shorter runsThe Lochinvar & A. O. Smith 100093769 Thermodisc Board Replacement Kit is a critical OEM component designed for AWHC control board restoration in high efficiency commercial and residential water heating systems. As a direct factory replacement for the legacy 6910605 thermodisc board, this kit integrates the latest logic to manage high limit safety cutouts and precise temperature monitoring. For technicians servicing Lochinvar Knight or A. O. Smith